根據(jù)所給漢語以及旬意，以正確的形式填寫正確的單詞。

1.I think this photo of people is taken less___________  (成功 ).

2. We've___________  (決定) that we will go to London for our next summer holidays.

3. I don't think we have worked out a___________ (策略) to deal with this situation.

4. I got in touch with him___________ (立刻) after I'd received the letter.

5.1 didn't follow the___________ (使用說明) of the new machine, and I broke it.